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Product Detailed Parameters
- Description：CMC 400MA 2LN 180OHM SMD AECQ200
- Series：WE-CNSW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：210mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.063" L x 0.033" W (1.60mm x 0.85mm)
- Height (Max)：0.047" (1.20mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：180 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744230181 is a WE-CNSW series surface-mount common mode line filter designed for high-frequency noise suppression. It features an inductance of 166 nH with a tolerance of ±25% and offers an impedance of 180 Ohms at a test frequency of 100 MHz. The component supports a maximum DC current of 400 mA and has a maximum DC resistance of 300 mOhms. Housed in a compact 0603 (1608 metric) package, it operates within a temperature range of -40°C to +125°C. This device is AEC-Q200 qualified for automotive reliability.
Feature Summary
- Provides effective common mode noise attenuation in data lines through dual-winding construction.
- Optimized for high-frequency interference suppression with specified impedance characteristics at 100 MHz.
- Engineered for robust performance in automotive environments meeting AEC-Q200 qualification standards.
Applications
- Automotive infotainment system data bus protection
- High-speed serial communication interface filtering
- USB or similar data line noise suppression in vehicle electronics
Procurement Notes
Verify the specific suffix codes against the manufacturer datasheet to ensure correct impedance and current ratings. Confirm that the 0603 footprint matches your PCB layout constraints. Ensure the procurement channel provides original manufacturer documentation to validate AEC-Q200 compliance and RoHS status before integration into production.
Selection Notes
Select this component when space-constrained designs require a 0603 form factor for common mode filtering. Consider the 400 mA current rating and 180 Ohm impedance at 100 MHz to match the signal integrity requirements of the target data line. Verify thermal management capabilities given the operating temperature range up to 125°C.
Part Context
This part belongs to the WE-CNSW series from Würth Elektronik, which specializes in surface-mount common mode chokes. The series is tailored for applications requiring reliable noise filtering in compact spaces, particularly within the automotive sector where AEC-Q200 qualification is mandatory for electronic components.
Replacement Considerations
Consult official Wurth Elektronik cross-reference tools for verified substitutes. Ensure any alternative maintains identical 0603 dimensions, 180 Ohm impedance at 100 MHz, and 400 mA current handling to preserve circuit functionality and mechanical fit.
